Leaking oil forms a circle on the ground below that is growing at a rate of ten square inches per minute. What is the rate of change of the radius of the circle when the radius is 22 inches

If cos(θ)=2853 with θin q iv, what is sin(θ)?

30 points if you answer all 3 questions with work!

The westins and the shermans live in the same city and pay the same sales tax rate, and both families made $14,000 in taxable purchases last year. if the westins made $86,000 and the shermans made $33,000 last year, is the sales tax in their city an example of a regressive tax? yes, because the westins and the shermans both paid the same sales tax rate. b. no, because the shermans paid a higher percentage of their income in sales tax than the westins did. c. no, because the westins and the shermans both paid the same sales tax rate. d. yes, because the shermans paid a higher percentage of their income in sales tax than the westins did.